Function ping_main_sync

lib_protocol/samples/ping/main.c:100–130

���߳� PING ������ַ�ĺ������ */

/* ���߳� PING ������ַ�ĺ������ */
static void ping_main_sync(const char *dest, int npkt)
{
	ACL_DNS_DB* dns_db;
	const char* ip;

	/* ���� ICMP ���� */
	__chat = icmp_chat_create(NULL, 1);

	/* ������������ IP ��ַ */
	dns_db = acl_gethostbyname(dest, NULL);
	if (dns_db == NULL) {
		acl_msg_warn("Can't find domain %s", dest);
		return;
	}

	ip = acl_netdb_index_ip(dns_db, 0);
	if (ip == NULL || *ip == 0)
		acl_msg_fatal("ip invalid");

	/* ��ʼ PING һ�� IP ��ַ */
	if (strcmp(dest, ip) == 0)
		icmp_ping_one(__chat, NULL, ip, npkt, __delay, 1);
	else
		icmp_ping_one(__chat, dest, ip, npkt, __delay, 1);

	/* �ͷ� DNS ��ѯ��� */
	acl_netdb_free(dns_db);

	/* ��ʾ PING ���С�� */
	display_res();
}

/* PING �߳���� */
static int __npkt = 10;